13322209 has 2 divisors, whose sum is σ = 13322210. Its totient is φ = 13322208.

The previous prime is 13322207. The next prime is 13322233. The reversal of 13322209 is 90222331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 2985984 = 3215^2 + 1728^2 .

It is a cyclic number.

It is not a de Polignac number, because 13322209 - 2¹ = 13322207 is a prime.

Together with 13322207, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13322209.

It is not a weakly prime, because it can be changed into another prime (13322207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661104 + 6661105.

It is an arithmetic number, because the mean of its divisors is an integer number (6661105).

Almost surely, 2^13322209 is an apocalyptic number.

It is an amenable number.

13322209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13322209 is an equidigital number, since it uses as much as digits as its factorization.

13322209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13322209 is about 3649.9601367686. The cubic root of 13322209 is about 237.0602551726.

It can be divided in two parts, 13322 and 209, that added together give a palindrome (13531).

The spelling of 13322209 in words is "thirteen million, three hundred twenty-two thousand, two hundred nine".